Year	% change from 1990
1991	-10.6492292601979
1992	-18.7947208949985
1993	-23.4016072835769
1994	-20.2586336711712
1995	-18.3349703044173
1996	-14.8409464555452
1997	-12.9819980769782
1998	-18.458196294899
1999	-19.6545400474249
2000	-18.9089783656091
2001	-21.9760596476272
2002	-14.3975534214374
2003	-14.9897264167388
2004	-14.839000588255
2005	-19.7751329814471
2006	-20.2273718230745
2007	-22.8437569330287
2008	-14.8771834129841
2009	-11.3922218739016
2010	-12.7295500154721
2011	-10.2959599497168
2012	-8.10868625630022